TY  - JOUR
AU  - R.B. Kellogg
AU  - J. Pitkäranta
AU  - L. Babuska
TI  - Direct and Inverse Error Estimates for Finite Elements With Mesh Refinements.
JO  - Numerische Mathematik
PY  - 1979
SP  - 447
EP  - 471
VL  - 33
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NUMA_1979__33_132654/
ID  - NUMA_1979__33_132654
ER  -